Index/ Exchange Rate Calculation_THE

Theindexpriceiscalculatedbasedontheweightedaverageofthelatesttransactionpricesfrommultipleexchanges.

Eachoptionscontracthasanindex.Forexample,BTC/USDToptionscontractsuseBTC/USDTindexpricetocalculate.Contractsforthesametokenwithdifferentexpirationdatesusethesameindexprice.Forinstance,BTCweekly,bi-weekly,andquarterlyoptionsalluseBTC/USDTindexprice.

Sampledatasampling:getthelatestpriceoftheexchangesinthetablethroughAPIevery6seconds(basedontheindexupdateinterval).

CoinDesk推出比特幣趨勢指標（BTI）:4月13日消息，加密媒體 CoinDesk 宣布其子公司 CoinDesk Indices 推出比特幣趨勢指標（BTI），一個幫助投資者確定比特幣價格走向的在線工具。

CoinDesk 表示，BTI 是一個每日信號，通過專門構建的算法傳達比特幣價格趨勢的方向和強度。[2023/4/13 14:02:07]

Denominationcurrency:Ifthedenominationcurrencyofanexchangeisdifferentfromthedenominationcurrencyofatradingpair,thedenominationcurrencyoftheexchangewillbeconvertedintothedenominationcurrencyoftheindexpriceaccordingtotheexchangerate.

Findora主網Beta版本正式上線:據官方消息，Findora已于3月30日（PST太平洋時區）發布了可對區塊鏈行業進行重新定義的公鏈。在Mainnet Beta，用戶能夠創建錢包，以加密方式發送代幣，同時將平臺上發送的金額或資產類型隱藏，也能夠創建、發行、發送和接收自定義資產。

據了解，Findora使用了高級加密技術，用審計工具構建高性能、可信的公鏈，并為全球可信任的機構和經濟利益激勵措施提供去中心化的金融網絡基礎設施。

Findora團隊表示，盡管Mainnet Beta現已可以普遍使用，但計劃繼續在底層技術上進行創新，增加更多功能，吸引合作伙伴的加入并擴大其社區。[2021/3/30 19:30:03]

ExponentialExceptionHandling

Thepriceofasingleexchangedeviatessignificantlyfromotherexchanges.Solutionsareasbelow：Iftherearemorethan2validexchangeswithintheindices,whenthepriceofacertainexchangedeviatesmorethan±3%fromtheaveragepriceofotherexchanges,forsuchexchange,itspricewillbecalculatedas±3%oftheaveragepriceofotherexchanges:Forexample:Let'ssaytheBTCpriceofXexchangeis518USD,andthepricesofotherexchangesare500,501,502,503,504(USD).Theaveragepriceofotherexchangesis502.5,sothepriceofXexchangedeviatesfromothersby(518-502.5)/502.5=3.08%,whichismorethan3%.Insteadof518USD,systemwilltake502.5*(13%)=517.57asXexchange'sprice.Therefore,thefinalindexwillbe(517.57500501502503504)/6=504.59USD

分析 | Coindesk：比特幣12月三連漲 今年顯示出看跌跡象:據Coindesk分析師稱，根據Coindesk的比特幣價格指數（BPI）顯示，比特幣在2015年、2016年和2017年的最后一個月分別上漲了14％，30％和40％。但上周四，比特幣在3500美元低點處獲得支撐，反彈到4410美元附近，隨后失去上漲動能，最終未能突破21個月EMA（5950美元），顯示出強烈的看跌觀點。在周線上，5周和10周EMA表明阻力最小的路徑是下行路徑。14周RSI指數遠高于30，這意味著BTC有可能下跌至3000美元。[2018/12/3]

Ifthereareonly2validexchangesintheindex(thereareonly2exchangesintheindex,orduetomarketlosses,someexchangeswillbetemporarilyexcluded).Ifthepricedeviationobtainedbythetwoplatformsisgreaterthan25%,itisconsideredthatthepricedeviationfromtheindexpricecalculatedlasttimeisnormal,andtheotheronehasanoolongindex.Atthistime,theindexpricetemporarilyanchorstheexchangewiththenormalprice.

行情 | Coindesk市場分析：BTC在接下來一兩天盤整或將上漲至7000美元:據Coindesk分析師分析，BTC目前的走勢與4月12日大幅反彈的趨勢非常相似，BTC在接下來一兩天盤整或將上漲至7000美元；若BTC收盤價低于6000美元（2月低點）則很有可能跌至5755美元（6月低點）。[2018/8/21]

Iftheindexpriceisbasedonthepriceofonlyoneexchangeatatime(allotherexchangeshavebeenabnormallyremoved).Ifthedeviationbetweentheobtainedpriceandtheindexpriceobtainedattheprevioustimeisgreaterthan25%,itisconsideredthatthereisanoolongindex,andtheindexpriceistakenfromtheprevioustimeprice.

CoinDesk咨詢委員會主席：單靠區塊鏈無法解決Facebook的問題:近日，CoinDesk咨詢委員會主席、MIT數字貨幣計劃（DCI）區塊鏈高級研究員Michael J. Casey談及最近的Facebook數據泄露事件時表示，目前的區塊鏈技術還遠遠無法顛覆社交媒體產業，任何去中心化的區塊鏈都沒有足夠的鏈上能力去處理那些需要大型系統才能處理的大量數據和上億級的郵件。另外，這項技術本身是不會保護我們避免當下的各種弊病。[2018/4/12]

Exchangemarketdataislost.Solutions：Ifacertainexchangefailstoobtainmarketdataatacertainpointintime(theexchangeisclosed,themarketisinterrupted,oranattackisencountered),thepriceatthatpointintimewillbecalculatedbasedonthelatestvalidpriceobtained.Ifthevaliddataobtainedbyanexchangeinthepast100datapoints(10min)islessthan10points(10%),wewillconsiderthepriceofthisexchangetobeuninstructiveandweightthepriceoftheexchange.Temporarilyadjustedto0.Aftertheexchangerecoversdata,ifatleast90ofthepast100datapointsarevalid(90%),thenwewillrestoretheweightoftheexchange.

Singleexchangepricesdeviatedsignificantlyforalongtime.Solutions：Whenthepriceofanexchangedeviatessignificantlyfromotherexchangesforalongtime,webelievethatthepriceofthatexchangemayloseitsguidingsignificance,andthesampleandweightoftheindexwillbeadjusted.Thespecificadjustmentplanissubjecttotheplatformannouncement.

ExchangeRateCalculation

Theexchangerateforperpetualswapsandoptionscontractsissampledfrom"Huobi",whichissampledeveryminute.

https://api.huobi.pro/general/exchange_rate/list

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